Hi
I'm doing this way:
class PdfFields(widgets.WidgetsList):
pdf = widgets.FileField(name="pdf", label=_("Archivo PDF"),
validator=validators.FileUploadKeeper())
...
and on the controler:
@expose()
def savePdf(self, pdf, ...):
p.imagen=pdf.value
this old documento should help you too:
http://trac.turbogears.org/wiki/StoringAndRetrievingFilesFromDatabase
regards.
On 1/11/07, fumanchu <[EMAIL PROTECTED]> wrote:
>
>
> Sanjay wrote:
> > I need to store and download files from/to database. I am facing some
> > problem for downloading:
> >
> > If I use serveFile (from cherrypy.lib.cptools import serveFile), I need
> > to supply a path. That means, first I need to fetch the file from the
> > database it to a temporary file in the webserver.
> >
> > If I use @expose(content_type="..."), I face two problems. First, I
> > need to know the content_type (which I don't know how to have based on
> > file extension - there is any helper method? However, it's sufficient
> > for my users just to get the download dialog box, be it any kind of
> > file.) Secondly, I don't know how to supply the filename, so that the
> > downloaded file gets the proper name on the users' PC.
>
> Here's a method similar to 2.2.1's serveFile which should do the trick.
> In other words, it's hacked directly from serveFile ;) Feel free to
> look deeper into serveFile to see how it works--it's pretty simple. You
> may need to modify it (I don't know what attributes you have on files
> in the DB), but the basics are here:
>
> def serveDBFile(path, content, disposition=None, name=None):
> """Set headers in order to serve the given file.
>
> The Content-Type will be guessed by the extension on "path".
>
> If disposition is not None, the Content-Disposition header will be
> set
> to "<disposition>; filename=<name>". If name is None, it will be
> set
> to the basename of path. If disposition is None, no
> Content-Disposition
> header will be written.
> """
>
> response = cherrypy.response
>
> # Set content-type based on filename extension
> ext = ""
> i = path.rfind('.')
> if i != -1:
> ext = path[i:].lower()
> contentType = mimetypes.types_map.get(ext, "text/plain")
> response.headers['Content-Type'] = contentType
>
> if disposition is not None:
> if name is None:
> name = os.path.basename(path)
> cd = "%s; filename=%s" % (disposition, name)
> response.headers["Content-Disposition"] = cd
>
> response.headers['Content-Length'] = len(content)
>
>
>
> Robert Brewer
> System Architect
> Amor Ministries
> [EMAIL PROTECTED]
>
>
> >
>
--
Julio
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